I doubt he's retarded. He wrote whats is considered one of the bestbooks on backgammon ever written.Book Description"Backgammon" is the most highly-regarded work on the subject, often referred to as "The Bible" of the game. Written between 1973 and 1976 by Paul Magriel and Renée Magriel, Backgammon was the first book to lucidly explain the inner workings and advanced positional play of the game. The most important aspects are broken down into their component parts and then explained with a unique, easy-to-understand, step-by-step building-block approach. The book is enhanced by 600 clear and p